MT49H32M9BM-25 Micron Technology Inc, MT49H32M9BM-25 Datasheet - Page 10

• Manufacturer Part Number: MT49H32M9BM-25
• Manufacturer: Micron Technology Inc
• Type: RLDRAMr

Specifications of MT49H32M9BM-25

• Organization: 32Mx9
• Density: 288Mb
• Address Bus: 22b
• Maximum Clock Rate: 400MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: uBGA
• Operating Temp Range: 0C to 95C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 779mA
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Figure 6: 8 Meg x 36 Functional Block Diagram
BA0–BA2
A0–A18 1
REF#
WE#
CK#
CS#
CK
ZQ
22
Address
register
Mode register
Notes:
ODT control
Control
logic
18
1. Examples for BL = 2; column address will be reduced with an increase in burst length.
2. The “4” = (length of burst) x 2^(number of column addresses to WRITE FIFO and READ logic).
13
Refresh
counter
8
3
13
6 1
address
Row-
MUX
Column-
counter/
address
control
13
Bank
logic
latch
ZQ CAL
decoder
address
Bank 0
row-
latch
and
6 1
8
8
8,192
5
(8,192 x 32 x 4 x 36) 2
DQM mask logic
SENSE AMPLIFIERS
Sense amplifiers
Output drivers
I/O gating
decoder
Column
memory
Bank 0
Bank 0
array
8,192
32
Bank 1
Bank 2
Bank 3
Bank 4
Bank 5
Bank 6
Bank 7
1 1
144
144
144
READ
logic
WRITE
drivers
1 1
FIFO
and
CLK
n
n
in
36
36
n
n
36
36
latch
DQ
ODT control
generator
ODT control
QK/QK#
36
ZQ CAL
36
4
4
V
Drivers
TT
RCVRS
R
CK/CK#
TT
DLL
V
TT
R
TT
(0 ....35)
QVLD
QK0–QK1/
QK0#–QK1#
DQ0–DQ35
DK0–DK1/
DK0#–DK1#
DM